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Preview questions
1. What is the first law of motion also known as?
Law of Inertia · Law of Acceleration · Law of Action-Reaction · Law of Conservation
2. Which of the following statements best describes Newton's second law of motion?
An object at rest stays at rest. · Force equals mass times acceleration. · For every action, there is an equal and opposite reaction. · An object in motion stays in motion.
3. If a net force of 10 N is applied to a mass of 2 kg, what is the acceleration?
5 m/s² · 10 m/s² · 2 m/s² · 20 m/s²
4. What does the term 'inertia' refer to?
The tendency of an object to resist changes in its state of motion. · The force acting on an object. · The mass of an object. · The acceleration produced by a force.
5. Which of the following is a unit of force?
Kilogram · Newton · Meter · Joule
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